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authorLudovic Courtès <ludo@gnu.org>2011-02-14 11:36:25 +0100
committerLudovic Courtès <ludo@gnu.org>2011-02-14 11:36:25 +0100
commit49114fd43de833c0724fbb0b6dc9ca639d1ab74f (patch)
treebd33e1612cbbc37218ff18a229ff603018d2d5d5 /lib/getsockopt.c
parentd9a00aa53612b97b11847cfc03647a3ab54b2a48 (diff)
downloadguile-49114fd43de833c0724fbb0b6dc9ca639d1ab74f.tar.gz
Update Gnulib; add new modules.
This updates Gnulib to v0.0-4889-ge375fe3. * m4/gnulib-cache.m4: Add `accept', `bind', `close', `connect', `getpeername', `getsockname', `getsockopt', `listen', `malloc', `malloca', `recv', `recvfrom', `send', `sendto', `setsockopt', `shutdown', `socket', and `sockets', requested by Jan Nieuwenhuizen <janneke-list@xs4all.nl> for cross-MinGW32 builds. Add `trunc', requested by Mark H Weaver <mhw@netris.org>.
Diffstat (limited to 'lib/getsockopt.c')
-rw-r--r--lib/getsockopt.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/lib/getsockopt.c b/lib/getsockopt.c
new file mode 100644
index 000000000..7c83f01aa
--- /dev/null
+++ b/lib/getsockopt.c
@@ -0,0 +1,67 @@
+/* getsockopt.c --- wrappers for Windows getsockopt function
+
+ Copyright (C) 2008-2011 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Paolo Bonzini */
+
+#include <config.h>
+
+#define WIN32_LEAN_AND_MEAN
+/* Get winsock2.h. */
+#include <sys/socket.h>
+
+/* Get struct timeval. */
+#include <sys/time.h>
+
+/* Get memcpy. */
+#include <string.h>
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+#include "w32sock.h"
+
+#undef getsockopt
+
+int
+rpl_getsockopt (int fd, int level, int optname, void *optval, socklen_t *optlen)
+{
+ int r;
+ SOCKET sock = FD_TO_SOCKET (fd);
+
+ if (level == SOL_SOCKET && (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
+ {
+ int milliseconds;
+ int milliseconds_len = sizeof (int);
+ struct timeval tv;
+ size_t n;
+ r = getsockopt (sock, level, optname, &milliseconds, &milliseconds_len);
+ tv.tv_sec = milliseconds / 1000;
+ tv.tv_usec = (milliseconds - 1000 * tv.tv_sec) * 1000;
+ n = sizeof (struct timeval);
+ if (n > *optlen)
+ n = *optlen;
+ memcpy (optval, &tv, n);
+ *optlen = n;
+ }
+ else
+ {
+ r = getsockopt (sock, level, optname, optval, optlen);
+ }
+
+ if (r < 0)
+ set_winsock_errno ();
+
+ return r;
+}